LibWeb/CSS: Make CSSOKLab inherit from a new CSSLabLike class

This class provides the common base for both CSSOKLab and the future
CSSLab classes.
This commit is contained in:
Lucas CHOLLET 2024-10-26 16:14:04 -04:00 committed by Andreas Kling
commit 8efa046e0c
Notes: github-actions[bot] 2024-10-27 09:28:40 +00:00
5 changed files with 42 additions and 33 deletions

View file

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/*
* Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/StyleValues/CSSColorValue.h>
#include <LibWeb/CSS/StyleValues/NumberStyleValue.h>
namespace Web::CSS {
class CSSLabLike : public CSSColorValue {
public:
virtual ~CSSLabLike() override = default;
CSSStyleValue const& l() const { return *m_properties.l; }
CSSStyleValue const& a() const { return *m_properties.a; }
CSSStyleValue const& b() const { return *m_properties.b; }
CSSStyleValue const& alpha() const { return *m_properties.alpha; }
virtual bool equals(CSSStyleValue const& other) const override;
protected:
CSSLabLike(ColorType color_type, ValueComparingNonnullRefPtr<CSSStyleValue> l, ValueComparingNonnullRefPtr<CSSStyleValue> a, ValueComparingNonnullRefPtr<CSSStyleValue> b, ValueComparingNonnullRefPtr<CSSStyleValue> alpha)
: CSSColorValue(color_type)
, m_properties { .l = move(l), .a = move(a), .b = move(b), .alpha = move(alpha) }
{
}
struct Properties {
ValueComparingNonnullRefPtr<CSSStyleValue> l;
ValueComparingNonnullRefPtr<CSSStyleValue> a;
ValueComparingNonnullRefPtr<CSSStyleValue> b;
ValueComparingNonnullRefPtr<CSSStyleValue> alpha;
bool operator==(Properties const&) const = default;
} m_properties;
};
// https://drafts.css-houdini.org/css-typed-om-1/#cssoklab
class CSSOKLab final : public CSSLabLike {
public:
static ValueComparingNonnullRefPtr<CSSOKLab> create(ValueComparingNonnullRefPtr<CSSStyleValue> l, ValueComparingNonnullRefPtr<CSSStyleValue> a, ValueComparingNonnullRefPtr<CSSStyleValue> b, ValueComparingRefPtr<CSSStyleValue> alpha = {})
{
// alpha defaults to 1
if (!alpha)
return adopt_ref(*new (nothrow) CSSOKLab(move(l), move(a), move(b), NumberStyleValue::create(1)));
return adopt_ref(*new (nothrow) CSSOKLab(move(l), move(a), move(b), alpha.release_nonnull()));
}
virtual Color to_color(Optional<Layout::NodeWithStyle const&>) const override;
virtual String to_string() const override;
private:
CSSOKLab(ValueComparingNonnullRefPtr<CSSStyleValue> l, ValueComparingNonnullRefPtr<CSSStyleValue> a, ValueComparingNonnullRefPtr<CSSStyleValue> b, ValueComparingNonnullRefPtr<CSSStyleValue> alpha)
: CSSLabLike(ColorType::OKLab, move(l), move(a), move(b), move(alpha))
{
}
};
}